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* i386-tdep.c (i386_mmx_regnum_to_fp_regnum): Renamed from

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mmx_regnum_to_fp_regnum.  Adjust all callers.
This commit is contained in:
Mark Kettenis 2003-04-19 14:30:33 +00:00
parent f9d3c2a8ad
commit c86c27affb
2 changed files with 12 additions and 5 deletions
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3
gdb/ChangeLog
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@ -1,5 +1,8 @@
2003-04-19 Mark Kettenis <kettenis@gnu.org>
* i386-tdep.c (i386_mmx_regnum_to_fp_regnum): Renamed from
mmx_regnum_to_fp_regnum. Adjust all callers.
* i386-tdep.c (i386_get_longjmp_target): Use
TYPE_LENGTH(builtin_type_void_func_ptr) instead of TARGET_PTR_BIT
and TARGET_CHAR_BIT. Use extract_typed_address instead of

14
gdb/i386-tdep.c
View File

@ -1141,19 +1141,21 @@ i386_register_type (struct gdbarch *gdbarch, int regnum)
}
/* Map a cooked register onto a raw register or memory. For the i386,
the MMX registers need to be mapped onto floating point registers. */
the MMX registers need to be mapped onto floating-point registers. */
static int
mmx_regnum_to_fp_regnum (struct regcache *regcache, int regnum)
i386_mmx_regnum_to_fp_regnum (struct regcache *regcache, int regnum)
{
int mmxi;
ULONGEST fstat;
int tos;
int fpi;
mmxi = regnum - MM0_REGNUM;
regcache_raw_read_unsigned (regcache, FSTAT_REGNUM, &fstat);
tos = (fstat >> 11) & 0x7;
fpi = (mmxi + tos) % 8;
return (FP0_REGNUM + fpi);
}
@ -1164,9 +1166,10 @@ i386_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
if (i386_mmx_regnum_p (regnum))
{
char *mmx_buf = alloca (MAX_REGISTER_RAW_SIZE);
int fpnum = mmx_regnum_to_fp_regnum (regcache, regnum);
regcache_raw_read (regcache, fpnum, mmx_buf);
int fpnum = i386_mmx_regnum_to_fp_regnum (regcache, regnum);
/* Extract (always little endian). */
regcache_raw_read (regcache, fpnum, mmx_buf);
memcpy (buf, mmx_buf, REGISTER_RAW_SIZE (regnum));
}
else
@ -1180,7 +1183,8 @@ i386_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache,
if (i386_mmx_regnum_p (regnum))
{
char *mmx_buf = alloca (MAX_REGISTER_RAW_SIZE);
int fpnum = mmx_regnum_to_fp_regnum (regcache, regnum);
int fpnum = i386_mmx_regnum_to_fp_regnum (regcache, regnum);
/* Read ... */
regcache_raw_read (regcache, fpnum, mmx_buf);
/* ... Modify ... (always little endian). */